ST_Intersects vs. ST_Touches - Mailing list pgsql-general

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Subject ST_Intersects vs. ST_Touches
Date
Msg-id F5E38CEB0B394B898FC2FCE99FF5D2D9@nc05072019
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In response to Standalone Windows Installation  (Jörn Heid <heid@hs-heilbronn.de>)
List pgsql-general
What are the differes between ST_Intersects  and ST_Touches?
The 1st query return something, but the 2nd return 0.
 
select road.link_id from road where
Intersects (
 Buffer(GeometryFromText('POINT(-88.02083 41.956982)',4326), .001),
 the_geom
 
select road.link_id from road where
Touches (
 Buffer(GeometryFromText('POINT(-88.02083 41.956982)',4326), .001),
 the_geom
 
Thanks.
_CYW_

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